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Finding the Fourth Proportional to 523.61, 787.14 and 370.62

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Solution

The fourth proportional to 523.61, 787.14 and 370.62 is: 557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.61 : 787.14 = 370.62 : x
  2. Step 2: Convert to fraction form
    523.61/787.14 = 370.62/x
  3. Step 3: Cross multiply
    523.61x = 787.14 × 370.62
  4. Step 4: Simplify right side
    523.61x = 291,729.83
  5. Step 5: Solve for x
    x = 291,729.83/523.61
  6. Step 6: Final answer
    x = 557.16

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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.