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Finding the Fourth Proportional to 953.02, 1,429.51 and 294.88

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Solution

The fourth proportional to 953.02, 1,429.51 and 294.88 is: 442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.02 : 1,429.51 = 294.88 : x
  2. Step 2: Convert to fraction form
    953.02/1,429.51 = 294.88/x
  3. Step 3: Cross multiply
    953.02x = 1,429.51 × 294.88
  4. Step 4: Simplify right side
    953.02x = 421,533.91
  5. Step 5: Solve for x
    x = 421,533.91/953.02
  6. Step 6: Final answer
    x = 442.31

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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.