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Finding the Fourth Proportional to 582.76, 803.62 and 441.32

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Solution

The fourth proportional to 582.76, 803.62 and 441.32 is: 608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.76 : 803.62 = 441.32 : x
  2. Step 2: Convert to fraction form
    582.76/803.62 = 441.32/x
  3. Step 3: Cross multiply
    582.76x = 803.62 × 441.32
  4. Step 4: Simplify right side
    582.76x = 354,650.11
  5. Step 5: Solve for x
    x = 354,650.11/582.76
  6. Step 6: Final answer
    x = 608.57

Related Problems

Find fourth proportional to 291.38, 401.81 and 220.66
Half scale
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Double scale
Find fourth proportional to 583.76, 805 and 442.32
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.