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Finding the Fourth Proportional to 307.37, 461.00 and 291.98

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Solution

The fourth proportional to 307.37, 461.00 and 291.98 is: 437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.37 : 461.00 = 291.98 : x
  2. Step 2: Convert to fraction form
    307.37/461.00 = 291.98/x
  3. Step 3: Cross multiply
    307.37x = 461.00 × 291.98
  4. Step 4: Simplify right side
    307.37x = 134,599.02
  5. Step 5: Solve for x
    x = 134,599.02/307.37
  6. Step 6: Final answer
    x = 437.91

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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.