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Finding the Fourth Proportional to 244.74, 337.64 and 156.18

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Solution

The fourth proportional to 244.74, 337.64 and 156.18 is: 215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.74 : 337.64 = 156.18 : x
  2. Step 2: Convert to fraction form
    244.74/337.64 = 156.18/x
  3. Step 3: Cross multiply
    244.74x = 337.64 × 156.18
  4. Step 4: Simplify right side
    244.74x = 52,731.83
  5. Step 5: Solve for x
    x = 52,731.83/244.74
  6. Step 6: Final answer
    x = 215.46

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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.