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Finding the Fourth Proportional to 897.04, 1,237.40 and 586

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Solution

The fourth proportional to 897.04, 1,237.40 and 586 is: 808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.04 : 1,237.40 = 586 : x
  2. Step 2: Convert to fraction form
    897.04/1,237.40 = 586/x
  3. Step 3: Cross multiply
    897.04x = 1,237.40 × 586
  4. Step 4: Simplify right side
    897.04x = 725,116.40
  5. Step 5: Solve for x
    x = 725,116.40/897.04
  6. Step 6: Final answer
    x = 808.34

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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.