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Finding the Fourth Proportional to 631.00, 945.93 and 284.52

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Solution

The fourth proportional to 631.00, 945.93 and 284.52 is: 426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.00 : 945.93 = 284.52 : x
  2. Step 2: Convert to fraction form
    631.00/945.93 = 284.52/x
  3. Step 3: Cross multiply
    631.00x = 945.93 × 284.52
  4. Step 4: Simplify right side
    631.00x = 269,136.00
  5. Step 5: Solve for x
    x = 269,136.00/631.00
  6. Step 6: Final answer
    x = 426.52

Related Problems

Find fourth proportional to 315.50, 472.97 and 142.26
Half scale
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Double scale
Find fourth proportional to 632, 947.43 and 285.52
Similar ratio
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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.