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Finding the Fourth Proportional to 840.48, 1,160.16 and 593.04

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Solution

The fourth proportional to 840.48, 1,160.16 and 593.04 is: 818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    840.48 : 1,160.16 = 593.04 : x
  2. Step 2: Convert to fraction form
    840.48/1,160.16 = 593.04/x
  3. Step 3: Cross multiply
    840.48x = 1,160.16 × 593.04
  4. Step 4: Simplify right side
    840.48x = 688,021.29
  5. Step 5: Solve for x
    x = 688,021.29/840.48
  6. Step 6: Final answer
    x = 818.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.