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Finding the Fourth Proportional to 566.98, 781.68 and 370.42

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Solution

The fourth proportional to 566.98, 781.68 and 370.42 is: 510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.98 : 781.68 = 370.42 : x
  2. Step 2: Convert to fraction form
    566.98/781.68 = 370.42/x
  3. Step 3: Cross multiply
    566.98x = 781.68 × 370.42
  4. Step 4: Simplify right side
    566.98x = 289,549.91
  5. Step 5: Solve for x
    x = 289,549.91/566.98
  6. Step 6: Final answer
    x = 510.69

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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.