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Finding the Fourth Proportional to 614.76, 846.28 and 552.12

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Solution

The fourth proportional to 614.76, 846.28 and 552.12 is: 760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.76 : 846.28 = 552.12 : x
  2. Step 2: Convert to fraction form
    614.76/846.28 = 552.12/x
  3. Step 3: Cross multiply
    614.76x = 846.28 × 552.12
  4. Step 4: Simplify right side
    614.76x = 467,248.11
  5. Step 5: Solve for x
    x = 467,248.11/614.76
  6. Step 6: Final answer
    x = 760.05

Related Problems

Find fourth proportional to 307.38, 423.14 and 276.06
Half scale
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Double scale
Find fourth proportional to 615.76, 847.66 and 553.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.