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Finding the Fourth Proportional to 352.34, 526.66 and 248.93

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Solution

The fourth proportional to 352.34, 526.66 and 248.93 is: 372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.34 : 526.66 = 248.93 : x
  2. Step 2: Convert to fraction form
    352.34/526.66 = 248.93/x
  3. Step 3: Cross multiply
    352.34x = 526.66 × 248.93
  4. Step 4: Simplify right side
    352.34x = 131,101.47
  5. Step 5: Solve for x
    x = 131,101.47/352.34
  6. Step 6: Final answer
    x = 372.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.