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Finding the Fourth Proportional to 452.48, 624.55 and 265.98

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Solution

The fourth proportional to 452.48, 624.55 and 265.98 is: 367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.48 : 624.55 = 265.98 : x
  2. Step 2: Convert to fraction form
    452.48/624.55 = 265.98/x
  3. Step 3: Cross multiply
    452.48x = 624.55 × 265.98
  4. Step 4: Simplify right side
    452.48x = 166,117.81
  5. Step 5: Solve for x
    x = 166,117.81/452.48
  6. Step 6: Final answer
    x = 367.13

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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.