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Finding the Fourth Proportional to 942.24, 1,300.14 and 593.40

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Solution

The fourth proportional to 942.24, 1,300.14 and 593.40 is: 818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.24 : 1,300.14 = 593.40 : x
  2. Step 2: Convert to fraction form
    942.24/1,300.14 = 593.40/x
  3. Step 3: Cross multiply
    942.24x = 1,300.14 × 593.40
  4. Step 4: Simplify right side
    942.24x = 771,503.08
  5. Step 5: Solve for x
    x = 771,503.08/942.24
  6. Step 6: Final answer
    x = 818.80

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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.