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Finding the Fourth Proportional to 964.74, 1,448.94 and 602.07

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Solution

The fourth proportional to 964.74, 1,448.94 and 602.07 is: 904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.74 : 1,448.94 = 602.07 : x
  2. Step 2: Convert to fraction form
    964.74/1,448.94 = 602.07/x
  3. Step 3: Cross multiply
    964.74x = 1,448.94 × 602.07
  4. Step 4: Simplify right side
    964.74x = 872,363.31
  5. Step 5: Solve for x
    x = 872,363.31/964.74
  6. Step 6: Final answer
    x = 904.25

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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.