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Finding the Fourth Proportional to 602.18, 904.29 and 324.36

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Solution

The fourth proportional to 602.18, 904.29 and 324.36 is: 487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.18 : 904.29 = 324.36 : x
  2. Step 2: Convert to fraction form
    602.18/904.29 = 324.36/x
  3. Step 3: Cross multiply
    602.18x = 904.29 × 324.36
  4. Step 4: Simplify right side
    602.18x = 293,315.50
  5. Step 5: Solve for x
    x = 293,315.50/602.18
  6. Step 6: Final answer
    x = 487.09

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1.5x scale

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.