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Finding the Fourth Proportional to 562.15, 839.07 and 527.53

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Solution

The fourth proportional to 562.15, 839.07 and 527.53 is: 787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.15 : 839.07 = 527.53 : x
  2. Step 2: Convert to fraction form
    562.15/839.07 = 527.53/x
  3. Step 3: Cross multiply
    562.15x = 839.07 × 527.53
  4. Step 4: Simplify right side
    562.15x = 442,627.76
  5. Step 5: Solve for x
    x = 442,627.76/562.15
  6. Step 6: Final answer
    x = 787.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.