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Finding the Fourth Proportional to 503.19, 754.63 and 297.70

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Solution

The fourth proportional to 503.19, 754.63 and 297.70 is: 446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.19 : 754.63 = 297.70 : x
  2. Step 2: Convert to fraction form
    503.19/754.63 = 297.70/x
  3. Step 3: Cross multiply
    503.19x = 754.63 × 297.70
  4. Step 4: Simplify right side
    503.19x = 224,656.64
  5. Step 5: Solve for x
    x = 224,656.64/503.19
  6. Step 6: Final answer
    x = 446.46

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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.