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Finding the Fourth Proportional to 417.14, 575.58 and 242.44

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Solution

The fourth proportional to 417.14, 575.58 and 242.44 is: 334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.14 : 575.58 = 242.44 : x
  2. Step 2: Convert to fraction form
    417.14/575.58 = 242.44/x
  3. Step 3: Cross multiply
    417.14x = 575.58 × 242.44
  4. Step 4: Simplify right side
    417.14x = 139,543.62
  5. Step 5: Solve for x
    x = 139,543.62/417.14
  6. Step 6: Final answer
    x = 334.52

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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.