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Finding the Fourth Proportional to 473.16, 652.98 and 273.90

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Solution

The fourth proportional to 473.16, 652.98 and 273.90 is: 377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.16 : 652.98 = 273.90 : x
  2. Step 2: Convert to fraction form
    473.16/652.98 = 273.90/x
  3. Step 3: Cross multiply
    473.16x = 652.98 × 273.90
  4. Step 4: Simplify right side
    473.16x = 178,851.22
  5. Step 5: Solve for x
    x = 178,851.22/473.16
  6. Step 6: Final answer
    x = 377.99

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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.