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Finding the Fourth Proportional to 945.08, 1,415.25 and 597.36

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Solution

The fourth proportional to 945.08, 1,415.25 and 597.36 is: 894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.08 : 1,415.25 = 597.36 : x
  2. Step 2: Convert to fraction form
    945.08/1,415.25 = 597.36/x
  3. Step 3: Cross multiply
    945.08x = 1,415.25 × 597.36
  4. Step 4: Simplify right side
    945.08x = 845,413.74
  5. Step 5: Solve for x
    x = 845,413.74/945.08
  6. Step 6: Final answer
    x = 894.55

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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.