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Finding the Fourth Proportional to 593.76, 820.50 and 453.72

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Solution

The fourth proportional to 593.76, 820.50 and 453.72 is: 626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.76 : 820.50 = 453.72 : x
  2. Step 2: Convert to fraction form
    593.76/820.50 = 453.72/x
  3. Step 3: Cross multiply
    593.76x = 820.50 × 453.72
  4. Step 4: Simplify right side
    593.76x = 372,277.26
  5. Step 5: Solve for x
    x = 372,277.26/593.76
  6. Step 6: Final answer
    x = 626.98

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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.