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Finding the Fourth Proportional to 593.76, 890.88 and 401.28

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Solution

The fourth proportional to 593.76, 890.88 and 401.28 is: 602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.76 : 890.88 = 401.28 : x
  2. Step 2: Convert to fraction form
    593.76/890.88 = 401.28/x
  3. Step 3: Cross multiply
    593.76x = 890.88 × 401.28
  4. Step 4: Simplify right side
    593.76x = 357,492.33
  5. Step 5: Solve for x
    x = 357,492.33/593.76
  6. Step 6: Final answer
    x = 602.08

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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.