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Finding the Fourth Proportional to 356.19, 530.54 and 333.69

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Solution

The fourth proportional to 356.19, 530.54 and 333.69 is: 497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.19 : 530.54 = 333.69 : x
  2. Step 2: Convert to fraction form
    356.19/530.54 = 333.69/x
  3. Step 3: Cross multiply
    356.19x = 530.54 × 333.69
  4. Step 4: Simplify right side
    356.19x = 177,034.22
  5. Step 5: Solve for x
    x = 177,034.22/356.19
  6. Step 6: Final answer
    x = 497.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.