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Finding the Fourth Proportional to 593.33, 889.61 and 319.32

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Solution

The fourth proportional to 593.33, 889.61 and 319.32 is: 478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.33 : 889.61 = 319.32 : x
  2. Step 2: Convert to fraction form
    593.33/889.61 = 319.32/x
  3. Step 3: Cross multiply
    593.33x = 889.61 × 319.32
  4. Step 4: Simplify right side
    593.33x = 284,068.67
  5. Step 5: Solve for x
    x = 284,068.67/593.33
  6. Step 6: Final answer
    x = 478.77

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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.