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Finding the Fourth Proportional to 672.68, 924.36 and 548.07

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Solution

The fourth proportional to 672.68, 924.36 and 548.07 is: 753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.68 : 924.36 = 548.07 : x
  2. Step 2: Convert to fraction form
    672.68/924.36 = 548.07/x
  3. Step 3: Cross multiply
    672.68x = 924.36 × 548.07
  4. Step 4: Simplify right side
    672.68x = 506,613.99
  5. Step 5: Solve for x
    x = 506,613.99/672.68
  6. Step 6: Final answer
    x = 753.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.