Home / 649.08-974.16-444.15

Finding the Fourth Proportional to 649.08, 974.16 and 444.15

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Solution

The fourth proportional to 649.08, 974.16 and 444.15 is: 666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.08 : 974.16 = 444.15 : x
  2. Step 2: Convert to fraction form
    649.08/974.16 = 444.15/x
  3. Step 3: Cross multiply
    649.08x = 974.16 × 444.15
  4. Step 4: Simplify right side
    649.08x = 432,673.16
  5. Step 5: Solve for x
    x = 432,673.16/649.08
  6. Step 6: Final answer
    x = 666.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.