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Finding the Fourth Proportional to 651.36, 897.49 and 572.07

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Solution

The fourth proportional to 651.36, 897.49 and 572.07 is: 788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.36 : 897.49 = 572.07 : x
  2. Step 2: Convert to fraction form
    651.36/897.49 = 572.07/x
  3. Step 3: Cross multiply
    651.36x = 897.49 × 572.07
  4. Step 4: Simplify right side
    651.36x = 513,421.19
  5. Step 5: Solve for x
    x = 513,421.19/651.36
  6. Step 6: Final answer
    x = 788.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.