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Finding the Fourth Proportional to 593.66, 885.89 and 521.66

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Solution

The fourth proportional to 593.66, 885.89 and 521.66 is: 778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.66 : 885.89 = 521.66 : x
  2. Step 2: Convert to fraction form
    593.66/885.89 = 521.66/x
  3. Step 3: Cross multiply
    593.66x = 885.89 × 521.66
  4. Step 4: Simplify right side
    593.66x = 462,136.90
  5. Step 5: Solve for x
    x = 462,136.90/593.66
  6. Step 6: Final answer
    x = 778.45

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1.5x scale

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.