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Finding the Fourth Proportional to 249.02, 373.02 and 145.99

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Solution

The fourth proportional to 249.02, 373.02 and 145.99 is: 218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.02 : 373.02 = 145.99 : x
  2. Step 2: Convert to fraction form
    249.02/373.02 = 145.99/x
  3. Step 3: Cross multiply
    249.02x = 373.02 × 145.99
  4. Step 4: Simplify right side
    249.02x = 54,457.11
  5. Step 5: Solve for x
    x = 54,457.11/249.02
  6. Step 6: Final answer
    x = 218.69

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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.