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Finding the Fourth Proportional to 948.24, 1,422.36 and 363

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Solution

The fourth proportional to 948.24, 1,422.36 and 363 is: 544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    948.24 : 1,422.36 = 363 : x
  2. Step 2: Convert to fraction form
    948.24/1,422.36 = 363/x
  3. Step 3: Cross multiply
    948.24x = 1,422.36 × 363
  4. Step 4: Simplify right side
    948.24x = 516,316.68
  5. Step 5: Solve for x
    x = 516,316.68/948.24
  6. Step 6: Final answer
    x = 544.50

Related Problems

Find fourth proportional to 474.12, 711.18 and 181.50
Half scale
Find fourth proportional to 1,896.48, 2,844.72 and 726
Double scale
Find fourth proportional to 949.24, 1,423.86 and 364
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.