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Finding the Fourth Proportional to 355.50, 530.32 and 301.00

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Solution

The fourth proportional to 355.50, 530.32 and 301.00 is: 449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.50 : 530.32 = 301.00 : x
  2. Step 2: Convert to fraction form
    355.50/530.32 = 301.00/x
  3. Step 3: Cross multiply
    355.50x = 530.32 × 301.00
  4. Step 4: Simplify right side
    355.50x = 159,624.58
  5. Step 5: Solve for x
    x = 159,624.58/355.50
  6. Step 6: Final answer
    x = 449.01

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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.