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Finding the Fourth Proportional to 630.06, 945.09 and 304.98

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Solution

The fourth proportional to 630.06, 945.09 and 304.98 is: 457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.06 : 945.09 = 304.98 : x
  2. Step 2: Convert to fraction form
    630.06/945.09 = 304.98/x
  3. Step 3: Cross multiply
    630.06x = 945.09 × 304.98
  4. Step 4: Simplify right side
    630.06x = 288,233.55
  5. Step 5: Solve for x
    x = 288,233.55/630.06
  6. Step 6: Final answer
    x = 457.47

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1.5x scale

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.